Buying a List Feels Like a Shortcut but It’s Really a Costly Detour

The Do’s & Don’ts

In today’s B2B life science and healthcare marketing landscape, urgency to drive growth can tempt even the most seasoned marketers to take shortcuts like buying contact lists. After all, what’s the harm in getting a few thousand emails to jumpstart a campaign?

A lot, actually.

At BTS Consulting, we’ve worked with many diagnostics, pharma, and MedTech clients who came to us frustrated by low engagement, deliverability issues, or outright blacklisting because they bought poorly maintained outdated lists. If lead generation is a cornerstone of your marketing strategy, buying contact lists is like building that foundation on sand.

Let’s break down why buying contact lists doesn’t work and what you should do instead.

5 Pitfalls of Buying Contact Lists

1. Poor Data Quality

Purchased lists are often riddled with:

• Outdated contacts
• Irrelevant titles
• People who never opted in

In fact, HubSpot found that list decay averages 22.5% per year, meaning the longer a list sits, the less accurate it becomes.¹

2. Low Engagement and High Bounce Rates

Most recipients on bought lists don’t know who you are, why you’re emailing them, or what value you offer. This results in:

• Low open rates
• High bounce rates
• Increased unsubscribe or spam reports

Mailchimp data shows that open rates for cold or purchased lists can be up to 70% lower than permission-based lists.²

3. Spam Traps and Deliverability Damage

Some lists are seeded with spam traps, which means emails are added that exist solely to catch unsolicited senders. One wrong email and:

• Your domain can get blacklisted
• Future emails may go directly to spam

According to Cisco’s Talos Intelligence, spam traps are widely used by email blocklist services to detect non-compliant senders.³

4. Legal and Compliance Risks

In a post-GDPR and CAN-SPAM world, emailing people without consent can lead to serious fines. For example:

• GDPR violations can result in penalties up to €20 million or 4% of global revenue⁴
• The FTC enforces the CAN-SPAM Act with penalties of up to $51,744 per violation⁵

5. Brand Reputation Hit

Even if there are no legal consequences, the reputational damage of spamming healthcare professionals can be severe. Once your domain or brand gets associated with spam, rebuilding trust can be an uphill battle.

5 Tips on What to Do Instead of Buying Contact Lists: Smart Lead Gen That Works

1. Build a Targeted ICP and Buyer Persona

Start with quality over quantity. Identify who actually benefits from your solution, and define:

• Titles
• Pain points
• Buying triggers

Doing this upfront reduces wasted time and improves conversion rates down the line.

2. Invest in Content That Earns Trust

People don’t want to be sold to, they want answers. Content marketing generates 3x more leads than outbound marketing at 62% less cost.⁶

Create high-value, useful content that:

• Solves real problems
• Educates on your technology or area of expertise
• Offers downloadable resources (guides, checklists, whitepapers)

3. Use Lead Magnets + Forms for Voluntary Opt-ins

Pair your content with smart lead capture:

• Gated resources behind landing pages
• Webinar signups
• Newsletter subscriptions

This way, your list builds itself ethically and with engaged prospects.

4. Leverage LinkedIn for Organic and Paid Targeting

In healthcare, LinkedIn remains a goldmine for reaching decision-makers. LinkedIn reports that B2B marketers see 2x higher conversion rates on LinkedIn than on other social platforms.⁷

5. Partner With a Marketing Agency That Understands Your Market

The right agency will help you shift from bloated, underperforming lists to lean, highly engaged funnels by:

• Developing content journeys tailored to buyers
• Running conversion-focused LinkedIn and email campaigns
• Setting up compliant, scalable CRM strategies

References:

1. 1. 1. HubSpot. “Email List Decay: What It Is and How to Fix It.” 2023. https://blog.hubspot.com/marketing/email-list-decay
      2. Mailchimp. “About Purchased Audience Lists.” 2022. https://mailchimp.com/help/about-purchased-audience-lists/
      3. Cisco Talos Intelligence. “Spam Traps and Email Security.” 2024. https://www.talosintelligence.com/
      4. European Union. “What is GDPR?” GDPR.eu. https://gdpr.eu/what-is-gdpr/
      5. Federal Trade Commission. “CAN-SPAM Act: A Compliance Guide for Business.” https://www.ftc.gov/business-guidance/resources/can-spam-act-compliance-guide-business
      6. Demand Metric. “Content Marketing Infographic.” 2023. https://www.demandmetric.com/content/content-marketing-infographic
      7. LinkedIn Marketing Solutions. “B2B Marketing Statistics.” 2023. https://business.linkedin.com/marketing-solutions/blog/b2b-beat/2023/linkedin-b2b-marketing-statistics